import * as Cesium from 'cesium'
const TIANDITU_KEY = '9b98e180f0d4c52dd08ee8e0e6b79e5b'
export const CesiumTerrainLayer = {
  本地地形: Cesium.CesiumTerrainProvider.fromUrl('/data/dem')
}

// const bing = viewer.imageryLayers.get(0)

//   static addLocalTerrain(viewer) {
//     Cesium.CesiumTerrainProvider.fromUrl('/data/dem').then((res) => {
//       viewer.terrainProvider = res
//     })
//   }
